Considering purchasing a slightly used Hollandia Evado e-bike... couple minor questions
Is it true that this is a unisex bike?

Step-through frames are indeed considered unisex as they are mostly seen in bikes used as 'way of locomotion' rather than 'sport device': if you are not wearing clothes that are suited for cycling (not only skirts for women, but also tight trousers for men or suits), you gain a lot in comfort by having a step-through frame. They are also popular among people who do not are not &quot;flexible enough&quot; to step in a classical frame (typically older persons).
For other kind of frames, the difference is mostly linked to cultural norms/marketing than physical properties of the bikes. Bikes were introduced in a time where women were required to wear long skirts, so different frames were designed for that reason. Nowadays, if you take a bike of the same size and the same model in men and women version, besides the frame and the colours, at best you'll have a different saddle and smaller handles on the handle bar on the women bike (which are very easy to change).

Is the make and model considered a &quot;hybrid,&quot; or, if not, can I at least ride it on pavement as well as the bike trails?

It seems from the pictures (and the name) that it would a bike that would be perfect in a &quot;dutch environment&quot;: on a flat environment and paths on a good state. There are several elements that will make it unsafe/uncomfortable on uneven/rough surfaces:

The general geometry is more tuned towards comfort than control.
There are elements that are not designed for rough terrains: frame (not only because it's a step-though, but also because of the sizing of the tubes), the adjustable stem.
The motor in the hub of the wheel is not optimum in rough terrains, and can make punctures repairs more difficult (they are less efficient at low speed, have lower torques as they cannot take advantage of the gearing);
The gearing that might not have enough range for steeper hills
The tires don't have the right profile;
V-brake don't perform well in wet conditions and in sustained brakings;
...