英和和英

to assign a part to each―cast the parts to the actors―cast the actors for the parts

fulfill a role

assignment of parts―a cast of characters

play its role

the action of assigning a task to someone

the act of playing a role

to retire from office―resign one's post

to assign a role

a leading role

the leading role

the leading role

a role assigned

to perform one's duty

a role of go-between

the role of giving directions

to continue to perform one's duty

cast of characters

in an official role

to assign a part to each

to play one's role

a role responsible for ensuring that an event proceeds smoothly

the role of caretaker

play a vital role

play an intercessory role

the role called supporter

the starring role

perform in order to get a role

to retire from office

to retire from one's office―resign one's post

an assigned post