From the Merriam-Webster Dictionary:

friend

noun

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Essential Meaning of friend

1: a person who you like and enjoy being withI’d like you to meet my friend. She is such a good/close/dear friend (of mine). See More Examples

2: a person who helps or supports someone or something (such as a cause or charity) She is a friend of the environment. [=she supports environmental causes] The strikers knew they had a friend in the senator. [=knew that the senator supported them] Are you friend or foe? [=do you support us or oppose us?]

3: QUAKER

APPARENTLY YOU PEOPLE HAVE FORGOTTEN WHAT TRUE FRIENDSHIP IS, NO LOYALTY….KEEP THE CARDS AND LETTERS COMING PEOPLE, WE LOVE READING THE FAN MAIL!!!

-H & LINDA T