How can one love people without aiding them in their sins, especially when surrounded by those who do not pray or women who display their adornments, and feel distressed and isolated due to one's hatred of sin?

It is obligatory to love Muslims for the Islam they possess, and if there are among them people who commit sins, then what is in them of sin is to be disliked, and they are to be advised, along with your usual work, and abandoning feelings of depression.