<?php

$view = Views::getView('view_id'); // view_id - refers the machiene name of the view
$view->setDisplay('display_id'); // display_id - refered to the current view display which you want to render the result from.
$view->setArguments($args); // Where $args is the array contains the filter value for uid.
$view->execute();

foreach($view->result as $row){
dpm($row->_entity->get('Custom text')->getValue());
}

// or
$view_result = \Drupal::service('renderer')->render($view->render());