Respuesta :
The person who first recognized the man Jack as a danger and threat to the baby is:
- Silas
According to the events that occured in The Graveyard Book, we can see that Jack is on a sinister mission to eliminate a particular family, and he does not complete the job because he discovers that the baby is missing.
As a result of this, he tries to track down the baby and discover where he is so he can eliminate him too and he traces the baby to the graveyard.
However, the baby is protected by SIlas who appears to be a ghost and he is the first person to realize the threat and danger to the baby.
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https://brainly.com/question/19749864