User.kt

data class User(
        val id: String,
        val name: String,
        val profilePicUrl: String,
        val bio: String)

UserFragment.kt

public class UserFragment : Fragment() {
    private lateinit var vm: UserViewModel
    private lateinit var bin: Disposable

    private lateinit var tvTitle: TextView
    private lateinit var tvDescription: TextView
    private lateinit var ivPicture: ImageView

    override fun onViewCreated(view: View?, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        bin = vm.user()
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe({ user ->
                    tvTitle.text = user.name
                    tvDescription.text = user.bio
                    Glide.with(context).load(user.profilePicUrl)
                            .into(ivPicture)
                })
    }

    override fun onDestroyView() {
        super.onDestroyView()
        bin.dispose()
    }
}

UserViewModel.kt

public class UserViewModel {
    private lateinit var repo: Repository

    fun user(): Observable<User> {
        return repo.loadUser()
                .subscribeOn(Schedulers.io())
    }
}