1. Othello
Being one of the highest-ranking officers in a seemingly all-white army, Othello does not become a general by being timid, but rather by acting with authority and force. ... Despite Othello's numerous military conquests, awards, and achievements, at his core is this seed of insecurity. ... When Othello resolved to take Desdemona's life it was not out of savagery, but rather military training. ...
His higher power ranking can also be observed when the Duke welcomes Othello before Brabantio, saying to Brabantio "I did not see you- [1.3.46] signifies the breaking of regular courtesy and conduct - although Brabantio is technically socially higher ranked than Othello, the Duke demonstrates to Othello more respect. Although Othello's dark-skin automatically places his ranking lower than that of Brabantio, the Duke ultimately sides with the more socially powerful - Othello - by saying to Brabantio "And noble signior, ...