How is internal conflict portrayed in Othello in regard to vanity, honor, and gender issues?please refer to characters

Throughout the play Othello, we see
an underlying theme of male's distrust of females.  Brabantio, for instance, is
immediately incensed that his daughter eloped with a black man.  He does not trust his
daughter's judgment.  He immediately disowns her, and declares that he has lost his
"jewel."  This type of objectification of women occurs with Iago as well.  He calls
women--even the best of women--no better than nursemaids or housekeepers.  Iago has no
respect for his wife Emilia and believes that she is sleeping with both Othello and
Cassio.  Even Cassio shows some of these same views of women.  For him, women are either
put on pedestals to be worshiped, as he does Desdemona, or they are prostitutes, such as
Bianca.

These views of women are also apparent in Othello.
 One of the reasons Othello is so susceptible to Iago's machinations is the belief that
"these delicate creatures (women)" have sexual appetites that cannot be controlled.
 Iago informs Othello that Venetian women know well how to deceive a man.  And Othello
believes that being a cuckold is a fate that great men, as well as ordinary men, must
inevitably suffer.

But having a cheating wife, no matter
how common, is still a blow to one's manhood.  It is Othello's pride that is most hurt
when he believes that Desdemona is cheating on him:

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But, alas, to make
me

A fixed figure for the time of
scorn

To point his slow unmoving finger
at!

By Act 5, Othello feels
that he must kill Desdemona out of a sense of justice and honor.  He feels that if he
does not kill her, she will betray more men.  Her death is a just punishment, he
believes, for her transgression, and he has to remind himself that he is executing her
for "the cause," and not out of anger.