Maybe he was in a fierce battle and got injured. Could be a part of an action-packed adventure.
It could be that he's a hero who sacrificed himself to save others and ended up covered in blood. Or perhaps he was attacked by villains and is now in a dangerous situation.
It could be a horror or dark-themed cartoon. Maybe something with a lot of violence and a creepy atmosphere.
It could symbolize someone begging for forgiveness or help. Maybe the character is in a desperate situation and kneeling is a sign of their vulnerability.
It could be a story of a heroic king ruling his kingdom with wisdom and justice.
Maybe he had an accident and got splashed with soda by mistake.
Maybe he's had a really tiring day and needed a peaceful spot to catch some rest.
The man holding roses in the cartoon might be on a romantic date or trying to apologize to someone. It could also be a random illustration without a specific meaning, just for the sake of aesthetics.
It could be a simple illustration of manual labor. Maybe the man is digging to plant something or build a foundation.
It could be due to personal beliefs or political views that he strongly opposes and feels offended by the cartoon.
Perhaps he has a mental disorder that makes him unable to control his violent urges. He might not even fully understand his own motives, just acting on some dark impulse within him. Another possibility is that he is being controlled by some external force, like in a horror story where a curse or an evil entity is making him commit the slaughters.
One possible motive could be revenge. Maybe he was wronged in the past and is now taking it out on others.