Final answer:
The word that indicates the lost child in the given sentence is 'Lost'.
Step-by-step explanation:
The word that tells you the lost child in the given sentence is 'Lost'. The sentence states that 'The shrine was full of people,' but it does not specifically mention a lost child. The word 'lost' implies that there is a missing or misplaced child. Therefore, 'Lost' is the word that indicates the lost child.