Add relationship to eloquent query to model with scopes

I have this code in my model, but then using eloquent if I add a with('parent') the query stops working. Important side note this is not my code.

    public function parent()
    {
        return $this->belongsTo(Category::class, 'category_id', 'id');
    }

    function scopeName($query, $request)
    {
        if ($request['query'] && $request["query"]["generalSearch"] != '') {
            $query->orwhere('name', 'like', '%' . $request["query"]["generalSearch"] . '%');
        }
    }

    function scopeOrder($query, $request)
    {
        if ($request['sort'] && $request["sort"]["field"] != '' && $request["sort"]["sort"] != '') {
            $query->orderBy($request["sort"]["field"], $request["sort"]["sort"]);
        }
    }

This is the query that works so far.

function getCategories(Request $request)
    {
            $pagination = $request->query('pagination');
            $categories = Category::Name($request)
                ->Order($request)
                ->paginate($request['pagination']['perpage'], ['*'], 'page', $pagination['page']);
    }

Why can't I add a relationship to this query and how do I fix it?