Yolçu means "traveller, wayfarer" or "beggar, pauper" in Azerbaijani:
https://obastan.com/yol%C3%A7u/759742/?l=az
Əfi means "venomous snake", and comes from Arabic أفعى (ʔafʕan):
https://obastan.com/%C9%99fi/738780/?l=azhttps://en.wiktionary.org/wiki/%D8%A3%D9%81%D8%B9%D9%89#ArabicBut maybe it's simply a short form of some other name, like in this case (presumably short for Əflatun):
https://news24.az/191107-efi-leqebli-tiktoker-saxlanildi.html