You surely know that pasting a dictionary definition is condescending, but I'll take a swing anyway.
Jews have a legitimate and ancient claim to indigeneity in the Levant. (In fact, this week's story of Chanukkah is about Jews being persecuted and evicted from from their homes in the region by a Greek empire.) Of course, Jews eventually left the region due to forcible diaspora.
Jews are obviously not the only ethnic group with a legitimate claim to the land. At least the following groups can all claim to be native to the land, for some definition of native: Turks, Ottomans, Arabs, and yes, Palestinians.
In a very real sense, the millions of Mizrahi Jews are in fact refugees from Arab countries (especially Yemen and Morocco), who fled persecution to their ancestral homeland.
But calling Israeli Jews settlers -- especially within the UN Green Line! -- is terribly inflammatory, and not particularly accurate.
How does Israel not fit this definition? Even if we were to ignore the history of the country, it continues to fund such settlements on the West Bank.