Anna Duggar's brother, Daniel Keller, is making his disdain for Josh Duggar known on social media and doing everything in his power to get Anna to leave her unfaithful husband.

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Keller is defending his sister after Josh recently confessed to cheating on Anna, paying to use a website that sets up extramarital affairs and developing a pornography addiction. A source with ties to the family, however, told People there is "no way" Anna will split. On the contrary, she'll reportedly try to "absorb some of the blame" and divorce "won't even be discussed."

Josh's sister Jessa Seewald posted a Bible verse on Facebook about one confessing sins and being forgiven by God, under which Keller commented many times.

"You have to confess and forsake your sin to have mercy. Not sin confess and repeat," wrote Keller.

Someone called Keller out for probably having lied more than once in his life, making him a repeat offender as well.

"Think for a min about the victims," continued Keller. "Tell me how you would feel if someone cheated on your sister and brought so much disgrace to you and ur family. And then when you done that, go to hell you prik."

Keller also called a woman "a b-tch" for implying he's not thinking about the well-being of his sister now that he's posting offensive, controversial comments on Facebook for all to see.

"I have been thinking of her and sick to my stomach for her for last few days. Why you got another Bible verse to beat over my head?" he wrote. "I have told her I would pay for her to move out here w me and pay for her kidz. I don't think josh will see that this is a big deal and be truly broken till that happens."

Keller revealed his parents are "preaching" for Anna to stay with Josh despite his mistakes and infidelity. Keller suggested they are more interested in saving face by avoiding a divorce than they are in trying to help the situation.

In another comment, Keller bashed Josh by saying, "I told her I would go get her and her children stay w me. She said she's staying where she's at. But I won't stop trying to get that pig out of our family... I tell you who I don't give a sh-t about is that pig she calls her husband."

Josh's cheating and pornography admissions come only three months after he admitted to molesting a handful of girls -- two of whom were his own sisters Seewald and Jill Dillard -- about 12 years ago when he was 14-years-old.

Josh and Anna, both 27, married in 2008 and have four children together: Mackynzie, 5, Michael, 4, Marcus, 2, and Meredith Grace, 1 month.
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