Simplify the following text for a Grade 11 native English-speaking person.
Original: In the end , Coby 's jealousy of Ian and Tom 's leadership , constant complaining and revealing too much of the tribe dynamics to Stephenie , gave him the boot and the first seat in the Jury in a 7-1-1 vote .
Simplified: In the end , Coby 's jealousy of Ian and Tom 's leadership , complaining and revealing too much of the tribe details to Stephenie , got him voted off and he became the Jury member in a 7-1-1 vote .