"a former gamer" is a correct and usable phrase in written English.
For example, you could use it in a sentence like: "My older brother transitioned from a former gamer to a professional game developer."
Aurangzeb Durrani is a former professional gamer and has been in the e-sports industry since 2006.
"Competitive integrity is something I am very aware of as a former professional gamer, and the team here at Unikrn is making that a top priority.
A writer, a musician, a gamer, a runner.
KINGDOMS OF AMALUR: RECKONING In addition to being a longtime gamer, Curt Schilling also happens to be a former pretty good professional baseball pitcher.
The average salary for competitive gamers ranges from about $12,000 to $30,000, said Marcus Graham, a former pro and gaming personality who is also known as djWHEAT.
Neil Casey, a former "S.N.L".
A source tipped us off that Facebook has hired e-sports super-connector and former professional gamer Stephen Snoopeh Ellisis to build out a new team.
