As a martial artist, he is the founder of Abir Warrior Arts Association of Israel, teaching his own style of “ Abir-Qesheth Hebrew Warrior Arts” (אבי״ר-קשת אומנות לחימה עברית) in Jerusalem and Tel Aviv, claiming it to be a tradition of his family dating to Israelite antiquity preserved by an underground school of "Bani Abir" in Habban, Yemen.
Sofer perceives this style of martial arts training to be a continuation of the practices of the Jewish people prior to the Second Temple period.
He was born in 1958 in Jamaica and his family moved to Los Angeles in 1963 where he studied Tang Soo Do, receiving a black belt by 1968, aged ten.
[1] In the 1990s, he was a hip hop singer and rapper under the name Nigel Addmore, and was an MC on the album Humus Metamtem in 1993.
Sofer perceives this style of martial arts training to be a continuation of the practices of the Jewish people prior to the Second Temple period.