In what two ways did Mr. Deas defend her from Bob Ewell? What does this tell us about Mr. Deas?

Link Deas went out of his way to help Helen Robinson after her husband is killed. Deas hires Helen, even though he doesn't need the help. He doesn't offer charity, he offers self-respect. Mr. Deas also offers Helen protection from Ewell's threatening behavior.

As Mr. Link came out of his store he saw Mr. Ewell leaning on the fence. Mr. Ewell said, "Don't you look at me, Link Deas, like I was dirt. I ain't jumped your-"

"First thing you can do, Ewell, is get your stinkin' carcass off my property. You're leanin' on it an' I can't afford fresh paint for it. Second thing you can do is stay away from my cook or I'll have you up for assault-"