Related Clues:

• Hardly the gregarious type
• Hermit, for one
• One keeping one's own company
• Homebody
• Isolated and dangerous
• No-show at a mixer
• Company dodger
• Rascally sort
• Company avoider
• Society avoider
• Extrovert's opposite
• Not a people person
• Untrustworthy one
• Untrustworthy sort
• Hardly a party person