Disciple, discipling others involves cheering people on (progress), and cheering people up (joy).
It’s why we remain with people, and it makes up a big chunk of our fruitful endeavours.
It’s how we actually put legs on this, ‘To live is Christ’ thing.
Get in amongst people, help them take steps forward in Jesus, have a good time doing it. You could spend a life doing that, couldn’t you?