I assume you mean with the factions plugin, in this case, you'd want to create a faction with /f create <faction name here>, then claim the chunks your house occupies by walking into them and typing /f claim. Note that if you get killed often, other people will be able to claim your house and steal your valuables.
/f claim
you press 't' then type in the following /f claim claim faction territory
In minecraft survival you can just take any land but in servers you might have to use commands.
There is no such thing as 'straw' in Minecraft. So you can't.
you make a house with wood dirt leavs
There is no way to do it.
You build your own house and you can find NPC villages in the world
Light up your house and kill all the bats.
you can, but if your house is in the nether, your bed will explode
to claim something is yours. example: my staked his claim by saying the house was his
can you rent a house and claim esa
try a site called planet minecraft, there are lots of good minecraft resources there.