recieve this gift

when the bible says in Rom 11:29

29 For the gifts and calling of God are without repentance.
KJV
it means that though you have gone astray and done all sorts of evil, leaving the higher calling that he gave you, you can repent and come back among his sheep and take back your place of gifting or calling. it may not seem like it at first, nor will all your church members accept you at first or at all, but the one who called you back explained in the conversation with his lover in the story of songs of Solomon chapter 1the way you are to come back.
she asked him:
Song 1:7-8
Tell me, O thou whom my soul loveth, where thou feedest, where thou makest thy flock to rest at noon: for why should I be as one that turneth aside by the flocks of thy companions?
and his reply was:
8 If thou know not, O thou fairest among women, go thy way forth by the footsteps of the flock, and feed thy kids beside the shepherds' tents.
KJV


 in other words, he wants you to come back to your place of service and learn at the feet of his apostles.
So if you hear him call you back to say, don't listen to the voice of the self righteous people who condemned you when you made a mistake, just take a bold step into his fellowship and he is waiting there with open arms