1
general::
Phrase(s): play a part in something [and] play a role in something
1. to participate in something in a specific way. • I hope to play a part in the development of the new product. • I want to play a role in this procedure. 2. to portray a character in a performance. • He played a part in The Mikado, but it was not a major role. • Larry wanted to play a role in the next play.
McGrawhill's American Idioms And Phrasal Verbs