Possible Clues:

• Scorpio and Sagittarius
• Protest group?
• Endorses, as a contract
• Communicates nonverbally, in a way
• Immoral acts involving grand gestures
• Omens in passing shot lacks pathos
• Pride and envy over great things along the motorway?
• Makes a deal official
• Touches one's chin and moves the hand down to say 'Thank you,' for example
• Gemini and Virgo, e.g