This is the 1774th most frequent Turkish word.
arayan
"Arayan" means "searching" or "seeking" in English.
Here, 'arayan' is used as a present participle meaning 'looking for' and serves as an adjective modifying the noun 'child' (çocuğu).
Kaybolan kedisini arayan çocuğu parkta gördük.
We saw a child looking for their lost cat in the park.
In this sentence, 'arayan' is used as a present participle implying 'calling' and describes the noun 'number' (bir numara).
Telefonun ekranında beni arayan bir numaranın bildirimini gördüm.
I saw a notification on the phone screen from a number calling me.
Here, 'arayan' functions as a present participle meaning 'looking for' and describes the implied subject 'someone' (biri).