For deer here in MI, certain basics are essential. Others can wait. He needs a Hunter Safety Course and a license. He needs a place to hunt which will be easier if he has an Atlas/Gazetteer and county plat book to show property boundaries. He’ll need warm clothes and boots. He’ll want a cheap daypack to carry stuff and a seat cushion to keep his butt dry when he sits. He’ll need a flashlight, Bic lighter and a knife. TP trumps all when it’s needed. Most any rifle is fine as long as it’s legal and reliable. Low recoil and a well sighted scope will be best. A local mentor is best of all. Maybe he can find one.

Edited: Patience and a sense of humor help too!