The phrase "a narrow role" is correct and usable in written English.
It can be used to describe a limited or specific function or responsibility that someone has in a particular context.
Example: "In this project, my contribution is confined to a narrow role, focusing solely on data analysis."
Alternatives: "a limited role" or "a specific role".
Meighan Simmons moved to the point for Tennessee in December after Shekinna Stricklen grew claustrophobic in a narrow role.
They apparently were designed for a narrow role: to be fired at American bases equipped with radar designed to detect incoming mortar or artillery rounds, thereby providing warning to the base and targeting data for the firing point and sometimes for the ordnance in flight.
He discriminates between phenomena that play a wide cosmological role and those that play only a narrow role.
Most electronics factories in Vietnam are 'reproduction factories' with mature technology and a narrow role in basic component manufacturing; it is shown that their contribution to skill upgrading is correspondingly narrow.
Black advocated a narrow role of interpretation for justices, opposing a view of justices as social engineers or rewriters of the Constitution.
"If it's a narrower role, some of those list of horribles you just gave may not be a problem".
Mr Entwistle's successor could have a narrower role, with responsibility for the BBC's journalism being passed to a deputy.
Mr. Caviezel doesn't try to imitate his predecessor; instead he slips into a narrower role of a strong-willed rebel who stubbornly refuses to submit, or as it is put in the show, "assimilate or die".
But while Mr. Obama described a narrower role for the United States in a NATO-led operation in Libya, the American military has been carrying out an expansive and increasingly potent air campaign to compel the Libyan Army to turn against Colonel Qaddafi.
WASHINGTON — Even as President Obama on Monday described a narrower role for the United States in a NATO-led operation in Libya, the American military has been carrying out an expansive and increasingly potent air campaign to compel the Libyan Army to turn against Col. Muammar el-Qaddafi.
The former retained his title but was given a narrower role.
