ANSWER:

Of course not!

If he is a true muslim, why does he call himself an ahmadi?

She must break off all relations and communication with him immediately, block him from everywhere and repent sincerely to Allah while showing deep remorse if she wants Allah to forgive her.

Premarital relationships are totally prohibited in Islam with even muslims, let alone an ahmadi!

Sheikh, my friend has fallen in love with an ahmedi man. He claims that He beleives that Rasool Saww is the last prophet of Allah and he beleives in quran. He observes fasts prays 5 times and gives zakkah and is so perfect in his conduct and character. Is there a way my friend can marry to him?