Possible Clues:

• One forsaking clothes
• One who likes it when there's nothing on?
• No one's geared up for life in such a colony
• Certain colony member
• Nature lover
• One who sheds clothes in camp or on beach
• S/he prefers to be naked
• I'd be barely able to get back in here and stun one
• Hardly the modest type
• Sidney might turn up in a nut, but not in anything else