magnet
US /ˈmæɡ.nət/
UK /ˈmæɡ.nət/

1.
a piece of iron or other material which has the property of attracting steel or iron
:
•
The refrigerator door has a strong magnet.
•
He used a magnet to pick up the scattered nails.
2.
a person or thing that has a powerful attraction for others
:
•
The city is a magnet for tourists.
•
Her charisma made her a true magnet for people.