Is Affinity designer good for beginners?

YES! I highly recommend all Affinity products. They are much less expensive than Adobe and have a more modern and easy-to-use interface.

yes it is, totally recommended, if you are a complete beginner or if you have experience with other design programs it will be a walk in the park to use AD

Yes. For complete beginners with new graphic designs skills is a great tool. It has almost all the Adobe Illustrator options, and also includes pixel painting and design like Adobe Photoshop. I totally recommend it for beginners, and also there are tutorials that teach you how to make the best use of Affinity Designer. Note that I'm an Adobe Illustrator user since years ago, however, since 2020 my main graphics and vectors design tool is Affinity Designer.

Not necessarily good but one would enjoy it if it can be learnt

Is the best option. It offers you the best for little money.

I have been doing design for more than 15 years and i had been using Adobe Illustrator. I recently switched to Affinity Designer because Adobe has a monthly USD $52.99 fees. I have found that the tools are similar to Adobe Illustrator and workflow is very similar. So for a beginner, Affinity Designer is a great professional tool to use which is reasonably priced with fantastic tools and features.

Absolutely! Watch some tutorials, and visit the affinity forums (super helpful), and you can really expand your knowledge of design (speaking myself as a novice).

yes, perfect!