WordPress Custom Post Type Loop with Taxonomies categorization on page.

CustomPostTypeLoopwithTaxonomy.php

              <?php
                 // Setting up the query
                 $post_type_name = 'faculty';
                 $taxonomy_name = 'faculty-type';
                 $terms_arr = get_terms($taxonomy_name);
                 $terms_to_loop = returnTermsSlug($terms_arr);

                 function returnTermsSlug($termsArr) {
                   $a = [];
                   foreach ($termsArr as $term) {
                     array_push($a, $term->slug);
                   }
                   return $a;
                 }

                 function returnQueryForPostType($post_type, $taxonomy) {
                   return new WP_Query(array(
                     'post_type' => $post_type,
                     'faculty-type' => $taxonomy,
                     'posts_per_page' => -1,
                   ));
                 }

                 foreach ($terms_to_loop as $term) :
                ?>

                <div class="teachers-list__category">

                  <?php if($term != 'general' ) : ?>
                    <div class="teachers-list__category__name">
                      <?php echo str_replace('-', ' ', $term); ?>
                    </div>
                  <?php endif; ?>

                  <?php
                    $current_query = returnQueryForPostType($post_type_name, $term);
                    if ($current_query->have_posts()) : while($current_query->have_posts()) : $current_query->the_post();
                  ?>

                  <div class="teacher-item">
                    <div class="teacher-item__name"><?php the_title(); ?></div>
                  </div>

                  <?php endwhile; endif; ?>
                </div>
             <?php endforeach; wp_reset_query(); ?>