I don't know Bartholomeu specifically.
however, most explorers or conquistidors during the age of exploration often brought, either purposefully or unintentionally, death (through the diseases that they carried that would transfer to the indigenous people who weren't immune) and destruction ( through killing natives for their goods and destroying their environment).
sorry that that was not really specific
I believe master and messiah
One of the main reasons why the Portuguese slave trade moved down the coast to Angola was because "<span>c. The Portuguese sought a more profitable region for trade," since there were more precious metals and goods in this region. </span>
6. Reform
They come together to change something
