1. Xander: cool, calm, collected & nailed the social aspect. People trust him.
2. Sydney: this is based on the editing (maybe winner edit) she is not over the top in episode 1. Just her experience killed the crab to eat & survive. She is a law student. let's see
3. Ricard: cool, calm, collected on the outside but strategic on the inside. People didn't know he was the one who targeted JD in 1st episode.
4. Shan: the "mafia pastor'. she is in the middle of alliances. she was the decider. She can do anything to win and people will see she is just a nice person.