Samsonite

Thank you both for your perseverance, now I finally understood how to do it.

I must be stupid, but I just do not understand how am I supposed to get the colors that i want. a) I have image where I want to take the colors I like to my gradient b) I have 2 kinds off gradient tools (the one in the upper corner that cannot be moved for some reason) and the other called "Fill tool" but either do not have color selecting pipettes (there is pipette button in colour panel, but it is not pipette or not working).

90% of my frustration is because I don’t seem to be learning how to choose colors at all. For example, if I want to make a gradient with three colors, I can probably do it in seconds in any other program, but I just don’t learn this Affinity logic at all. So could someone kind soul tell me how in the world I make a gradient with the three colors I want which I choose from the image I have on layer below

Is these still the only ways? Or is there any faster/better ways nowdays, for example some pipette tools to copy gradients?

This is so frustrating, but I do not know how colorpicker works in Affinity photo :) I have used many other programs before and colorpicker does very simple job, you can choose color from the image you are editing and then use that color with any tool you choose. But apparently not in affinity photo. How should i choose the color I use with my tools (for example Paint Brush)