The main character is, of course, the gangster himself. He is often portrayed as tough and street - smart. Then there are his fellow gang members, some of whom might be his friends, while others could be rivals within the gang.
Mentors or old - time gangsters can also be part of the story. They might give advice to the main gangster character, either guiding him further into the life of crime or, in some cases, trying to steer him away from it. There could also be informants who play a crucial role in the plot by providing information to either the gang or the law enforcement.
There are usually some law enforcement characters as well. Cops or detectives who are trying to catch the gangster or bring him to justice. And sometimes, there are civilians who get caught up in the gangster's world, like innocent bystanders or people the gangster has a relationship with outside of the gang.
I don't know for sure as I haven't read the novel, but likely the gangster himself is a main character.
There is usually the gangster himself. He is often tough, living by his own set of rules in the criminal underworld. Then there is the love interest. She could be an ordinary woman who gets caught up in the gangster's world, or perhaps she has her own secrets and strength.
Scientists who study the ocean are also common characters. They are interested in marine life, ocean currents, and the seabed. They might be on a mission to discover new species or understand the effects of pollution on the ocean.
Typical characters in 'life as a servant novel' are the protagonist who is the servant. This servant might have friends among the other servants, such as the maid who is kind - hearted and helps the main servant character. Then there are the upper - class characters like the wealthy landowner or the noble lady who the servant serves. There may also be antagonists among the servants, those who are jealous or try to make the main servant's life difficult.
There are often the protagonists who are directly involved in the life - and - death situations. They could be ordinary people thrust into extraordinary circumstances, like a patient fighting a terminal illness or a person caught in a natural disaster.
Typically, there are characters who are divorced or have gone through a bad breakup. For example, there might be a single mother or father who thought their chance at love was over but then meets someone new. There could also be an older character who lost their long - term partner and is hesitant to love again at first.
The love interests play a crucial role. They can be the source of support or the cause of distraction for the ambitious characters. Sometimes they are fellow dream - chasers, and at other times they are more laid - back characters who introduce a different perspective to the protagonist's life.
Astronauts are typical characters. They are the ones who usually start the journey into outer space. Scientists are also common, as they are needed to study various phenomena in space. And there are often alien characters, which can range from friendly to hostile depending on the plot.
Then there are the mediators or helpers. These could be wise old souls, either in human form or some spiritual entities. They help the main characters navigate the complex relationship between life and death, and often provide guidance on how to make the love work in such an unusual situation.
In a typical romantic novel, you'll find the hero, who is often confident and dashing. He has a way with words and actions that makes the heroine fall for him. The heroine, on the other hand, is usually a complex character with her own dreams and goals. She's not just a damsel in distress. There are also side characters like the nosy neighbor who might spread rumors or the matchmaker type who tries to bring the two main characters together.