The phrase "role players" refers to people who take part in an activity or project by playing a specific role or character as assigned to them. They act out a particular function within a team or situation. Full definition
He could be a valuable role player for the Gunners as he has shown promise and at his best he can deliver special moments. (justarsenal.com)
That sort of stuff completely varies from system to system and the sort of role a player plays. (sbnation.com)
Do you have the content that allows the person you met with to share your value and impact with other role players who speak different languages and have different priorities? (blog.imaginellc.com)