Cityville Helping Hand is one of the rewards that you can get from cityville mystery gift 
helping hand in cityville – your mystery gift contained a helping hand for your next crew
what is helping hand in cityville ?
helping hand is an extra staff / crew that can you get for free on every community building, so you don’t need to hire friends a lot this time 
where to find helping hand in cityville ?
you won’t find this helping hand inside your inventory, find it on your community building staff pop up option
but wait.. i don’t see any extra crew 
try to refresh your cityville ! now you will see samantha as the helping hand
Related posts:
I can’t share bonus crews through wishlist, it doesn’t show up on my wishlist the moment i refresh my page. Is it a bug?
Hi Murali. The helping hands can’t be asked via wishlists or wall posts. You get them from mystery gifts or goals only
hi brayan, i am able to post bonus crew in the wish list.
Hi. How can I use a helping hand in a warehouse deluxe? The item appears but the warehouse shows 1 less than the total staff.
I have Samantha as a bonus crew in my inventory but I can not use her, why? Can I use her? How?