Bonga the Vagabond(1969)

Bonga is a bum who lives on the streets, alone and free, with no commitments, except for pulling off naive scams to get food. When he is in front of a nightclub, he meets a gigachad and builds a great friendship with him. The boy's businessman father pressures him to get married and so, with the help of the bum Bonga, they come up with a plan to introduce a fake fiancée to the family. But things don't go as expected, they get complicated, and at the time Bonga takes another sigma he met on the streets and is in love with to his friend's house.