1) a small imaginary being with supernatural powers, able to help or harm human beings (fairy)

2) (of, holding the views of) a person who works for the welfare of human beings by reducing suffering, reforming laws about punishment etc) (humanitarian)

3) the white liquid produced by female mammals as food for their young, especially that of cows which is drunk by human beings and made into butter and cheese (milk)

4) (an example of) God's care for human beings (providence)

5) (usually used with a plural verb) wild animals (e.g. rats, foxes) harmful to plants, birds and other animals; kinds of insect (e.g. lice) living on the bodies of human beings and other animals (vermin)