1. Defiled - to have a damaged dirty or corrupted reputation
2. Deregulation – To remove or relax regulations or rules on something
3 Doldrums – the condition of being without energy or inspiration
4. Incumbent – the current leader of an organization or government
Step-by-step explanation:
These terms when used with reference to politics or military;
Defiled person means a person with a tainted or corrupted reputation
Deregulation refers to removal or relaxation of powers imposed by the government on industries or organizations
Doldrum stage in politics refers to a sagging dull period without any energy.
The leader who is holding an office or a position currently till the new election is held is an incumbent leader.