Verses with the word amalekite in the Old Testament (3 verses):

1 Samuel 30:13
And David said unto him, To whom belongest thou? and whence art thou? And he said, I am a young man of Egypt, servant to an Amalekite; and my master left me, because three days agone I fell sick.

2 Samuel 1:8
And he said unto me, Who art thou? And I answered him, I am an Amalekite.

2 Samuel 1:13
And David said unto the young man that told him, Whence art thou? And he answered, I am the son of a stranger, an Amalekite.