Possible Clues:

• Social climber's rare visit abroad
• Self-seeker's call, one brought up in rare tizzy
• Upstart's rare visit arranged
• An ambitious person runs to represent English among corrupt varieties
• Ambitious and self-seeking person
• A striver, I fancy?
• Top tip for real trivia nuts, including son heading for Eggheads — he's aiming high
• Climber's current view leaving area in rare ground
• Parvenu's rare visit irritated
• Pushy upstart