guarantee, uphold, give assurance for; see back 2, help 1, support 2.
"swear for." YourDictionary, n.d. Web. 24 June 2018. <http://thesaurus.yourdictionary.com/swear-for>.
swear for. (n.d.). Retrieved June 24th, 2018, from http://thesaurus.yourdictionary.com/swear-for
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