Casavir

Casavir (male lawful good human paladin) is a joinable NPC.

"Casavir is a paladin who serves the people of Neverwinter, even after he has left the services of the administration."

Gameplay
Casavirs stats are very good (Str 16, Dex 12, Con 14, Int 11, Wis 14, Cha 18).

Spoilers
Spoiler warning: Plot and/or ending details follow.

Elanee is the only romance option for female PCs.