Step 1: Define corruption.
Corruption is the abuse of power for personal gain, which includes nepotism, favoritism, and misuse of authority. It is detrimental to fairness and justice in society.
Step 2: Examples.
Nepotism refers to giving jobs or benefits to family members; favoritism involves unfair preference for certain individuals; misuse of power distorts fairness and equality.
\[
\boxed{\text{Corruption (Option C)}}
\]