Answer: . Being merciful to old people and revering them
. Being merciful to young people and children
. Being merciful to the poor, the needy, and the destitute
. Being merciful to animals by feeding them and not harming them
In this regard, the Prophet (may Allah's peace and blessings be upon him) said: "You will find the believers in their mutual compassion, love, and sympathy like a single body: if one of its organs suffers, the whole body will react with sleeplessness and fever." [Agreed upon] The Prophet (may Allah's peace and blessings be upon him) also said: "Those who are merciful will be shown mercy by the Most Merciful. Be merciful to those on earth and the One in the heaven will be merciful to you." [Narrated by Abu Dāwūd and At-Tirmidhi]