Giving undue favours to one's own kith and kin-

Nepotism: The practice among those with power or influence of favouring relatives or friends, especially by giving them jobs.Favouritism: The practice of giving unfair preferential treatment to one person or group at the expense of another.Worldliness: The quality of being experienced and sophisticated.Corruption: Dishonest or fraudulent conduct by those in power, typically involving bribery.