Roderigo hates Othello because in his eyes, Othello stole his bride.

How does Roderigo feel about Othello?

Roderigo does not feel any loyalty towards Othello, who he believes has stolen his love from him. It is Roderigo, under the guidance of Iago, who goads Cassio into the fight that gets him dismissed from the army.

Is Roderigo jealous of Othello?

Sir Roderigo is jealous of Othello for being married to Desdemona. Roderigo wants to be with Desdemona so badly that he basically goes stupid. He starts paying Iago thinking that Iago is giving the money to Desdemona and that it's going to make her fall in love with him.