His advice was 'stay', because they were in no danger, and the Amulet in its completeness must be somewhere near, or, of course, they could not have come to that place at all.

And after some discussion they agreed to this.
The children were treated more as guests than as slaves, but the Egyptian was sent to the kitchen and made to work.
Pheles, the master of the house, went off that very evening, by the King's orders, to start on another voyage.

And when he was gone his wife found the children amusing company, and kept them talking and singing and dancing till quite late.

'To distract my mind from my sorrows,' she said.
'I do like being a slave,' remarked Jane cheerfully, as they curled up on the big, soft cushions that were to be their beds.
It was black night when they were awakened, each by a hand passed softly over its face, and a low voice that whispered-- 'Be quiet, or all is lost.' So they were quiet.
'It's me, Rekh-mara, the Priest of Amen,' said the whisperer.

'The man who brought us has gone to sea again, and he has taken my Amulet from me by force, and I know no magic to get it back.