Possible Clues:

• Philanthropy
• Capital letter, some say, for Bounty
• Liberal gains points for such generosity
• Big gift? Refresh glass 'ere!
• Bulky sentries outside start to expect generosity
• The tip of this sounds like a capital S
• Generosity of Scottish capital mentioned
• Gift able to work with eelgrass
• Just the tip of a capital S, by the sound of it
• Big ship and engineer's first act of generosity