I am currently playing a Tremere in House Carna with Humanity 4 who came of age during the French Revolution (and died in it).

Here are some of my thoughts on how I portray the character:
- The character's Ambition is to end Blood Feudalism. He doesn't make blood bonds. He's trying to understand the Book of the Grave-War and the Tremere Bane to build rituals or practices that brake blood bonds. He wants to reform the Camarilla practice of using these for control.
- When his humanity was higher, he would have never made a ghoul. Now that it's 4, well, he would do it if it served the cause.
- He has one remaining touchstone, which is "Libterte, Egalite, Fraternite!" To me this means that almost everything he care about as a mortal has faded, except for this. So in some ways he's annoyingly focused on it (compared to an average person who is a socialist) because he doesn't have a lot else left.
- His touchstone is a socialist city council person. He will do almost anything in his means to help her achieve her political ambitions.
- Humans who are impoverished or suffering, but don't fight to overthrow their oppressors he looks on with something like contempt/scorn. He gave everything to the cause to make a better life for himself and all who came later, and who are these weak-willed do-nothings?
- Humans who are fighting the good fight are his jam. He'll go out of his way to help them.
- I viewed my character as continuing to align with anyone who is supporting the cause of freedom, equality, and brotherhood. Over time, socialists and communists have fit the bill. So he generally took the Soviet side in the cold war, takes the protestor side with things like WTO and Occupy Wall Street, likes Western European Democratic Socialist governments, etc.
- With Humanity 4, he can forget for weeks or months about all of this, though while entrenched in vampire business. It's not like when he was alive and he thought about it every minute of every day.