nourish a viper in one's bosom
To do acts of kindness that will be met with ingratitude and will cause one harm in the end.
noun
A nurse.
verb
To feed and cause to grow; to supply with food or other matter which increases weight and promotes health.
He planteth an ash, and the rain doth nourish it.
other carnivorous Animals are difficultly nourished by Plants alone
To support; to maintain; to be responsible for.
I in Ireland nourish a mighty band.
To encourage; to foster; to stimulate
to nourish civility
to nourish a sense of self-worth
To cherish; to comfort.
Ye have nourished your hearts.
To educate or bring up; to nurture; to promote emotional, spiritual or other non-physical growth.
Nourished up in the words of faith.