paparazzo
 US /ˌpɑː.pɑːˈrɑːt.soʊ/
 UK /ˌpɑː.pɑːˈrɑːt.soʊ/

1. 
パパラッチ
a freelance photographer who pursues celebrities to get photographs of them
:
• 
The paparazzo chased the actress down the street.
パパラッチは女優を通りで追いかけた。
• 
A famous singer complained about being constantly hounded by paparazzi.
有名な歌手は、パパラッチに絶えずつきまとわれることに不満を述べた。