How to get sidebar widgets in leftsidebar template

In your sidebar.php or any other custom sidebar file call by ID like this

<?php get_sidebar('sidebar-widget-1'); ?>

Not like this

<?php get_sidebar('Sidebar Widget 1'); ?>

See the difference, I used ID in get_sidebar() function instead of name.

Now where ever you want sidebar appear in front-end, there call it like this

<?php get_sidebar('sidebar-widget-1'); ?>