1) In those days, Israelite custom was to nurse babies for up to four years. Since it was his own mother who nursed him (Exodus 2:8-9), his family had plenty of time to teach him before he was returned to Pharaoh's daughter (Exodus 2:10) to live in the palace.
2) Moses was not a prisoner in the royal palace. He came and went as he pleased (Exodus 2:11 and 2:13) and sought out his people (ibid).
Joshua certainly would have believed Moses to be an Israelite, but nobody "alleged" that Moses was an Israelite. Moses was an Israelite because of his ancestry and because of his connection to the people and he believed he was an Israelite.
Moses was an Israelite.
Yes Moses was a Israelite.
Egypt.
Moses
None, Rahab was a Canaanite and Moses was an Israelite.
Moses is an Israelite who was raised by Egyptians and married a Midianite.
Some suggest that his natural mother made him aware of his ethnicity as she raised him for the Egyptian princess
Moses and the Israelite crossed the Red Sea.
Moses
Moses killed the Egyptian , as he saw that he was mistreating the Israelite slave.
1) He was circumcised2) There would have been no other reason for him to be in the bullrushes 3) Israelites were lighter-skinned (Rashi commentary on Genesis ch.12), and Moses had two Israelite parents