What did Samuel Johnson define as a wretch who supports with insolence and is paid with flattery?

Samuel Johnson defined such a wretch as a "sycophant" or someone who engages in servile behavior to gain favor or reward. This individual often displays arrogance or insolence, expecting to be rewarded with flattery in return for their subservience. Johnson's characterization highlights the moral degradation and lack of integrity inherent in such behavior, where one's self-worth is tied to the approval of others.