The reason for the disguise could be quite complex. It could be that the happy man has a personal goal to achieve that can only be accomplished in this guise. Or maybe it's part of a larger story arc that will reveal more as the manga progresses.
Typically, a man social worker in a cartoon is depicted as someone who's patient and understanding. They might be shown listening carefully to people's problems and coming up with creative solutions. Also, they could be shown working in various settings, like community centers or schools.
I'm not sure as I haven't read the specific 'the man in disguise novel'. It could be the protagonist who has some secret mission or is trying to hide his true identity for various reasons like escaping from enemies or uncovering a mystery.
A cartoon can show it by depicting a kind and caring social worker offering food, shelter, or advice to the homeless man, maybe with a big smile and a helpful gesture.
It could be a way to drive the plot forward. For example, his disguise allows him to access places or information that he otherwise wouldn't be able to. This then leads to a series of events that form the core of the story. Say he disguises as a servant in a wealthy household. Through this, he overhears important conversations among the family members or discovers some dark secrets of the house, which then propels the story into different directions.
In English, social workers could be translated as Social workers.
A cartoon social worker often has a friendly and approachable appearance. They might have big smiles and kind eyes to show they're helpful and caring.
In some areas, social workers have to deal with hostile communities. For example, when trying to help a family in a poverty - stricken neighborhood, they might be met with suspicion and aggression. People might think they are there to take away children or interfere in their lives without good intentions. This makes it extremely difficult for social workers to do their jobs effectively and can be a real horror story in terms of the lack of cooperation.
In the movie " Fudu Youth," the female social worker was Jia En, played by Lin Xuanyu. Watching " Fudu Youth " wasn't enough. Everyone, please click to read the novel!
There were many comics where women disguised as men, such as Ghost Blade, Sword God Domain, Date Battle, Forbidden Magic, and so on. These comics all had female characters dressed in male clothing, telling the story of their adventures with the male characters. These comics were very popular and worth reading.
There were many TV dramas where women disguised as men, such as Dream of the Red Chamber, Water Margins, Romance of the Three Kingdoms, Journey to the West, and so on. These TV series all had interesting scenes where female characters disguised as men.