Answer:
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
Describes universities like Harvard and can be poisonous.
I scribble forms of the finest letter, And repel elements of the harshest weather. I am an arrow-aimer and a dust-breaker.
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
What do people want the least on their hands?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?