"She is abused, stol'n from me, and corrupted By spells and medicines bought of mountebanks, For nature no preposterously to err, Being not deficient, blind, or lame of sense, Sans witchcraft could not."" [1.3.60-64].
The use of the word witchcraft implicates that Othello relies on "spells- and "medicines- that only Moorish cultures have and are capable of using, to gain Desdemona. This is a racist comment in that Brabantio accuses the Moor of resorting to spells as his cultural heritage allows, for personal gain and thievery.
Brabantio also argues that his daughter, "A maiden never bold-, would never "in spite of nature,/Of years, of country, credit, everything -- To fall in love with what she feared to look on!- [1.3.94-98] and suggesting Desdemona and Othello's relationship as one that goes against nature. This is because Desdemona is risking losing her culture and reputation as a white Venetian of middle-to-upper class, and to marry a black Moorish general who is not a land-owner. By emphasizing on "everything-, Brabantio implies social status, money and hence power. As a Moor, Othello has married above his rank -Desdemona's marriage to him endangers her status. However, Desdemona claims she "saw Othello's visage in his mind- [1.3.253] and that she chose him for his interior - his mind and personality within - rather than physical exterior (his black skin) and social class.
We must, however, also look at Othello's social rank in relation to others - he is a general, one much needed by the state, as the Duke said "Valiant Othello, we must straight employ you/Against the general enemy Ottoman- [1.3.48-49] In terms of importance, he is ranked much above that of Roderigo, a suitor of Desdemona described as a "gulled gentlemen-. Roderigo paid Iago to assist him to win Desdemona's heart "thou, Iago, who hast had my purse/As if the strings were thine- [1.