When one call a group or a person part of that group ‘Alawites’ we do not mean (have no intention) that we are calling someone as follower of ‘Al-Ali’ (one of the attributes of Allah) …
When one call a group or a person part of that group ‘Wahabis’ we do not mean (have no intention) that we are calling someone as follower of ‘Al-Wahab’ (one of the attributes of Allah) …
Hence calling someone Alawites (a group claiming to be Muslim, we find them mostly in Syria) is fine and calling someone Wahabis (a group claiming to be Muslim, we find them mostly in Saudi-Arabia but many in rest of world too) is fine.