They are talking about how things in life arent fair and that you should deal with it. For example Two-Bit says "Like it or Lump it' basically meaning to deal with it or get angry about it.
Answer:
A wise and persuasive pig, old Major inspires the rebellion with his rhetorical skill and ability to get the other animals to share his indignation. His speech about the tyranny of man is notable for its methodical enumeration of man's wrongs against the animals.
Sorry if I'm wrong!!
