The social dynamic here is specific. This person has built an entire identity around something the rest of the household treats as 'just chai but different.' In a joint family setup, the one who orders a gooseneck kettle online is already fielding 'itna paisa sirf coffee ke liye?' from two aunties by Thursday. Gifting feels like solidarity. But the gap between their actual setup and what a casual gifter thinks of as 'coffee stuff' is where things go sideways.
The right move is to match their brewing ritual, not supplement it with something that assumes a different setup. For the pour-over type, quality single origin beans from an Indian specialty roaster hit exactly right. A digital scale with a built-in timer is the kind of thing serious home brewers genuinely want and rarely buy for themselves. If they're new to grinding, a hand grinder is the one gear upgrade that changes daily results. The common thread: gifts that fit inside their current system, not gifts that imagine a different one.
The trap is gifting the aesthetic of coffee rather than the practice. Flavored syrups, novelty mugs with slogans, a French press for someone who is clearly a pour-over person. These say 'I noticed you like coffee' without saying 'I paid attention to anything you actually told me about it.' This friend will use these gifts exactly once, if at all, and they will remember who gave it.