When we look at Islam there is a pillar called Zakat. Zakat is the most important after the salah. Zakat in the Quran is accompanied with salah more than ten times. When you see the word salah you will see “and pay the zakat”.
Zakat is something paid from your money or your belongings. Allah tells us that we will not reach piety or the level of righteousness to where you are obedient to Allah until you spend of that which you love.
When you love giving and helping others more than you love owning that thing, that is righteousness. Zakat is such an important pillar because from it is a communal benefit.