Some people really appreciate if you take a load off their shoulders. See what they might need help with & pitch in!
This doesn't have to be a giant gesture. Small, regular "acts of service" can be just as heart-warming. Maybe cook for them, or offer to do their weekly shopping. You'll find some more ideas below.
Many people appreciate quality time. You want to focus on them, and make sure they have a good time. Don't get distracted by your phone constantly!
Again, this can be really simple. You could simply take the time to REALLY listen to them. Or you could go all out and plan a whole time involving their favorite activites. More ideas below!
Can you make someone happy with words? You definitely can. Words of encouragement, affirmation, and simple compliments can absolutely make someone's day!
If you want to make someone happy whose primary love language are words of affirmations, go for verbally expressing something positive about that person. Ideas below!
Okay, this last one is obviously only for the right relationships. Make sure it's ok for the other person to be touched by you. You should be close enough.