Q. How many ways of the oppressor should we learn?
A. None of his ways. They all lead to death.
Proverbs 3:31-35 Envy thou not the oppressor, and choose none of his ways.
For the froward is abomination to YHWH: but his secret is with the righteous.
The curse of YHWH is in the house of the wicked: but he blesseth the habitation of the just.
Surely he scorneth the scorners: but he giveth favor unto the lowly.
The wise shall inherit glory: but shame shall be the promotion of fools.

Deuteronomy 18:9 When thou art come into the land which YHWH thy Elohim giveth thee, thou shalt not learn to do after the abominations of those nations.

Jeremiah 10:1-7 Hear ye the word which YHWH speaketh unto you, O house of Israel:
Thus saith YHWH, Learn not the way of the heathen, and be not dismayed at the signs of heaven; for the heathen are dismayed at them.
For the customs of the people are vain: for one cutteth a tree out of the forest, the work of the hands of the workman, with the axe.
They deck it with silver and with gold; they fasten it with nails and with hammers, that it move not.
They are upright as the palm tree, but speak not: they must needs be borne, because they cannot go. Be not afraid of them; for they cannot do evil, neither also is it in them to do good.
Forasmuch as there is none like unto thee, O YHWH; thou art great, and thy name is great in might.
Who would not fear thee, O King of nations? for to thee doth it appertain: forasmuch as among all the wise men of the nations, and in all their kingdoms, there is none like unto thee.