Refers to a role or duty assigned to someone, often in an organizational or formal context.
He took up his new assigned role.
Please clarify your role within the team.
suitable role; best-suited job
Emphasizes that the role or job is well-matched to the person's abilities or character.
This job is exactly the right role for him.
It's important that each person finds their best-suited role, with the right person in the right place.