This is the 7408th most frequent Turkish word.
gençer
"Gençer" is not a standard Turkish word. It may be a proper noun or a variation/misspelling; clarification is needed.
Here, 'gençer' is used to refer to younger individuals in the context of a group or community.
Bu mahallede gençer genellikle parkta toplanır.
In this neighborhood, the younger ones usually gather in the park.
In this sentence, 'gençer' is used generically to describe young individuals and their potential.
Gençer, ileride büyük başarılara imza atabilir.
Young people can achieve great successes in the future.
'Gençer' refers to a group of young individuals enjoying themselves in a social setting.