On Sauron during the First Age

For those who are new to reading the Silm it is important to note that sauron was Mellkor's second in command, Morgoth's prize follower who was as we all know just as bad as Morgoth himself though perhaps a little less so acording to Prof Olsen who I aggree with who sugests that Sauron serving another  at first and not himself was kind of better then Sauron ruling alone beant on  only what he needed or wanted to do. Sauron had a lot to do during the reign of Mellkor. he even faught with our good two friends Luthian and Berin along with their friend Huwan the Hound. It was Sauron's werewolf who slew Feligund of nargothrond.