Chauncey "Rosie" is a recurring character on F is for Family. He's an African-American man who works at the airport as a shop steward and baggage handler. Rosie has been a longtime friend of Frank Murphy, though their friendship began to deteriorate after he saw Frank insult African-American people on TV, and after Frank befriended the Airlines' CEO, Mr. Dunbarton.
Rosie's friendship with Frank was eventually restored after Frank resolved the conflict that led to a strike. He also helped Frank receive new employment while Frank helped Rosie and the other airline employees deal with their new boss, Scoop Dunbarton.