Three things
Here are 3
Pick one. Each takes about as long as it says.
Ask someone to teach you their food
Being asked to share something from home reverses the usual direction, where the newcomer receives and thanks.
An afternoonUnder $10A neighbor
Explain how the system here actually works
Registering with a doctor, council tax, school places. Obvious to you, opaque and consequential to a newcomer.
An afternoonFreeA neighbor
Ask an older person to teach you something
Being useful is the thing most often lost in older age. Being taught is a better gift than being helped.
An afternoonUnder $10A neighbor