Answer T lymphocytes are a type of lymphocyte (a subtype of white blood cell) that play a central role in cell-mediated immunity. All T cells originate from haematopoietic stem cells in the bone marrow. They are called as T cells, because they mature in the thymus from thymocytes.
Because he was exiled by his country and anyone was a liberty to take his life if he returned. Anyone who was caught helping him was going to face consequences.
