The phrase "a better role for" is correct and usable in written English.
It can be used when discussing the suitability or appropriateness of a position or function for someone or something.
Example: "After reviewing her skills and experience, I believe there is a better role for her within the organization."
Alternatives: "a more suitable position for" or "a more appropriate role for".
A better role for regulators would be to sponsor competition.
Grubby travelling player is a better role for him than that of lusty art snoot on "Downton Abbey".
As frustrating as Waiters has been at times for the organization that has drafted him, the Thunder could find a better role for him.
But a better role for senior executives is to support the salespeople and managers to hold the line on price and protect value.
Amélie might even be a better role for her than Eliza, whose bouts of scorned rage and grief in Act II of "Hamilton" seemed to take up all the grit she could muster.
Although he filmed his role in the spy thriller Our Kind of Traitor just before Wolf Hall, that John le Carré adaptation won't be released until later in 2015, and with King Henry, Lewis couldn't have chosen a better role for putting distance between himself and Sergeant Brody.
I couldn't have asked for a better role model for our own office decorum and for establishing the right workplace culture each and every day.
A better role model for political activists we could not ask for.
We know this because this is what he said at umm, a fundraiser that you and Jay-Z hosted for him: "Beyoncé could not be a better role model for my girls because she carries herself with such class and poise and has so much talent".
"Beyonce could not be a better role model for my girls," Obama added, thanking the star couple for their friendship and joking that Michelle and their daughters, Sasha and Malia, were upset they couldn't be present.
Whelan has never had a better role made for her than the one in "Polyphonia".
