Depressed moods cause negative thinking. Depression has negative influences on others. Negative thinking can also cause depressed moods. This, in turn, will prevent depression. The rise in individualism in society has increased depression.
Individual goals can only bring limited satisfaction.
Do it personally, not through a charity. Interview applicants, give out the money, and follow its use to a successful conclusion. Help in a soup kitchen, visit AIDS patients, clean the public park, raise funds for your alma mater. We can be alone but not lonely, depending on cognitions. They don't get to know new people well during a 15-minute conversation.