born-again
adjective
°Having a renewed commitment to Jesus Christ as a personal saviour.
"He proclaimed himself a born-again Christian during a church retreat."
°(by extension) Having the zeal of a convert of a non-religious cause or activity.
"After not picking up a shovel for twenty years, she finally saw the beauty in flowers and declared herself a born-again gardener."
noun
°Someone who has a renewed commitment to Jesus Christ as a personal saviour.
°Anyone with a renewed commitment to any kind of cause or belief.