Conservative

1. Tending or disposed to maintain existing institutions; opposed to change or innovation.
2. Having power to preserve in a safe of entire state, or from loss, waste, or injury; preservative.
3. One who desires to maintain existing institutions and customs; also, one who holds moderate opinions in politics; -- opposed to revolutionary or radical.
4. One who, or that which, preserves from ruin, injury, innovation, or radical change; a preserver; a conserver.
5. A member of the Conservative party.