Name: Jonas Brooks
Age: 17
Born Faction: Dauntless
Chosen Faction: Dauntless 
Job in their chosen faction if older than 16: Tattoo artist
Appearance (including scars, tattoos, whatever you want to include): (I'll get a picture up ASAP.) Jonas has tattoos covering his body and a white scar that goes across his right eyebrow.
Personality: Brave, loud, fun, and action-loving.
Family background: His mother Judith, was born a Erudite but switched to Dauntless and his father, Timothy was born a Dauntless. His older brother and sister, Rick (now 20) chose Candor, and Tiffany (18) chose Erudite.
Motivation: ???
Fears: Ropes, electric shock, drowning, starving, and losing his family.

I wasn't quite sure what to put for his motivation.