captain
Leader, or, originator, that is, one who initiates and carries through. translated, "author" in (Hebrews 12:2).
Related Commentaries of Hebrews 2:10
Hebrews 2:10
10 For it became him, for whom are all things, and by whom are all things, in bringing many sons unto glory, to make the captain of their salvation perfect through sufferings.