Page 82 of the Futuh Al Habasha mentions Husain Musa Bin 'Abd Allah Makida(r).

A noble warrior and Mujahid.

He fought a bloody fight in the presence of the Imam against the infidels along with Garad Mattan from the Geri and Yussef Latahia from the Habr Makador and I quote

"Their achievement was truly God's doing as stated in the book and

another page mentions that he fought the infidels above the left of the Muslims.