Who's a true Shia? Hadith 15

In Rauzat al-Vaezeen it is narrated that Abu Abdullah (Imam
Sadiq) said: “There are seven rights of a believer that are
incumbent upon other believers to honor. All seven are obligatory,
if you do not honor any of these rights, you have left the domain of
divine friendship, and God's obedience.”
He was asked what these seven rights were. He replied: “The
simplest right is that you should like for them what you like for
yourself, and dislike for them what you dislike for yourself. The
second right is that you must assist them in fulfilling their needs,
please them and not oppose what they say.
The third right is that you must use your soul, wealth, tongue, hands
and feet to assist them. The fourth right is that you must be like
their eyes, their guide, their mirror, and their clothing. The sixth
right is that if you have a wife and a servant, and your brother does
not, you must send your servant to his house to wash his clothes,
prepare his food and make ready his bed.
These are all established duties between you and him. The seventh
right is that you must accept his oath and his invitation. You must
attend his burial ceremonies. You should go to visit him if he gets ill,
and make all efforts to fulfill his needs. You should not let him beg
you for help, but immediately fulfill his needs. Once you do this, you
have tied his friendship and yours together, and have tied your
friendship to the Almighty God's friendship.”

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Mishkat ul Anwar-English edition, pg 196