parent
/ˈpɛəɹənt/noun
Someone who brings up a child, whether the child is their own by birth, adoption, or fostering.
The verb and the noun 'parenting' are recent arrivals but now fully standard.
Related words
siblingA brother or sister; someone who has a parent in common with you.nieceThe daughter of your brother or sister, or of your spouse's brother or sister.spouseThe person someone is married to; a husband or wife.nephewThe son of your brother or sister, or of your spouse's brother or sister.husbandA married man, considered in relation to the person he is married to.uncleA brother or brother-in-law of your mother or father.