Persian suffix گر (-gar) attaches to nouns, adjectives and stems. It derives words that denote a regular action or state. This can be an occupation, a professional sport, a typical quality or feature.

WordDerivation
آهن
âhan
iron
آهنگر
âhangar
blacksmith
آرایش
ârâyeš
make-up
آرایشگر
ârâyešgar
hairdresser, stylist
کار
kâr
work
کارگر
kârgar
worker
شنا
šenâ
swim
شناگر
šenâgar
swimmer
گزارش
gozâreš
report
گزارشگر
gozârešgar
reporter
پژوهش
pažuheš
research
پژوهشگر
pažuhešgar
researcher
تماشا
tamâšâ
watching
تماشاگر
tamâšâgar
spectator
اشغال
ešǧâl
occupying
اشغالگر
ešǧâlgar
occupier
ویران
virân
destroyed
ویرانگر
virângar
destroyer
حیله
hile
trick, deceit
حیله‌گر
hilegar
cunning
رفت
roft
sweep
رفتگر
roftgar
garbage collector, street-sweeper