Correct

失主

/ shīzhǔ /
Strokes

Definition

owner of sth lost or stolen

Example

As a Noun

owner/possessor of lost property

1
Zhège
这个
bāo
de
shīzhǔ
失主
dìng
一定
hěn
zháo
着急
  

The owner of this lost bag must be extremely worried.

2
Jiāng
shī
失物
guīhuán
归还
shīzhǔ
失主

return the lost property to its owner