what does this character's appearance (i.e. manner of dress) tell us about him/her?

Iago wishes to appear loyal.

" I follow him to serve my turn upon him"

Desdemona

"a maid so tender, fair and happy"

"......paragons description and wild fame." (she is more beautiful than can be described

she is seen as a "gem" (precious jewel)

Othello

the Moor (black)

"extravagant and wheeling stranger"